Transcript 1.01 Remember structural organization
Essential Questions
How is the human body organized?
What are the structural components of the body?
How does the body’s structural organization relate to its support and movement?
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Composed of:
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Types of tissues:
Epithelial tissue
Connective tissue
Muscle tissue
Nervous tissue
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Epithelial Tissue
secretions protects the body by covering internal and external surfaces, and produces
Skin
covers the outside of the body lines the inside of the body
Membrane
two thin layers of tissue that join together cells may secrete a fluid 1.01 Remember structural organization 5
Epithelial tissues Squamous Cuboidal Columnar
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formed by putting two thin layers of tissue together, cells may secrete a fluid Membranes are vital because they separate the cell from the outside world. They also separate compartments inside the cell to protect important processes and events.
MUCOUS MEMBRANES– lines digestive, respiratory, reproductive and urinary systems – produces mucous to lubricate and protect the lining They line various body cavities that are organs.
exposed to the external environment and internal Serous– double-walled membrane - produces a watery fluid (Serous
fluid)
lines closed body cavities the outer part of the membrane that lines the cavity is the PARIETAL membrane the part that covers the organs is the VISCERAL membrane.
Pleural, Pericardial, Peritoneal
PLEURAL MEMBRANE – lines thoracic or chest cavity and protects the lungs PERICARDIAL MEMBRANE – lines the heart cavity and protects the heart PERITONEAL MEMBRANE – lines the abdominal cavity and protects abdominal organs
Are made of two layers of connective tissue. Synovial membrane Lines the joint cavity and prevents friction in joints.
Connective tissue
supports and connects organs and tissue
Adipose
type of connective tissue that stores fat cells
Cartilage
firm, flexible support of the embryonic skeleton and part of the adult skeleton
Tendons
white bands of connective tissue attaching skeletal muscle to bone
Ligaments
strong, flexible bands of connective tissue that hold bones firmly together at the joints 1.01 Remember structural organization 11
– supports and connects organs and tissue These tissues are responsible for cushioning, supporting and maintaining form within the body and include adipose, cartilage, bone , tendons and ligaments Vascular
LIGAMENTS – strong, flexible bands of connective tissue that hold bones firmly together at the joints TENDONS – white bands of connective tissue attaching skeletal muscle to bone CARTILAGE – firm, flexible support of the embryonic skeleton and part of the adult skeleton BONE- skeleton. Supports tissues and organs.
VSCULAR-liquids blood tissue (Example RBC)
Connective tissue
Adipose Fibrocartilage Elastic cartilage
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Repair of damaged tissue occurs continually.
Two types
Primary
takes place in clean wound where infection is not present.
Secondary
larger and deeper wounds. Takes place by granulation.
Cicatrix –Scar tissue
Muscle tissue
contracts and moves a body part
Cardiac
striated, involuntary contracts the heart
Skeletal
striated, voluntary
attached to the skeleton
Smooth
nonstriated, involuntary provides movement in various body systems
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Muscle tissue
Cardiac Skeletal Smooth
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Nervous tissue
reacts to stimulation and conducts an impulse
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– cells that react to stimuli and conduct an impulse Neurons are highly specialized cells that generate and transmit electrical impulses (action potentials) permitting rapid communication between distant areas of the body.
Nervous tissue
Neuron
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Muscle pink
• Smooth • Cardiac • Skeletal
Connective blue
• Hard – Cartilage, Bones • Soft – Adipose, Ligaments, Tendons
Epithelial green Nerve yellow
• Skin • Membranes – Mucous and Serous • Neuron
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1.01 Remember structural organization Click here to hear heartbeat 26
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The Skin 1.01 Remember structural organization The Tongue 32
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Male
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Female
35
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Anatomical position
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Anatomical position
Discuss the importance of anatomical position.
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Directional terms
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Directional terms
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Directional terms
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Body planes
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Body cavities
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Group Review
Essential Questions
How is the human body organized?
What are the structural components of the body?
How does the body’s structural organization relate to its support and movement?
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